/Engine/Source/Runtime/Engine/Classes/GameFramework/CharacterMovementComponent.h
Smooth mesh location for network interpolation, based on values set up by SmoothCorrection. Internally this simply callsSmoothClientPosition_Interpolate()thenSmoothClientPosition_UpdateVisuals(). This function is not called when bNetworkSmoothingComplete is true.
virtual void SmoothClientPosition ( float DeltaSeconds )